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Finding the Fourth Proportional to 10,383.94, 15,575.76 and 4,834.18

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Solution

The fourth proportional to 10,383.94, 15,575.76 and 4,834.18 is: 7,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,383.94 : 15,575.76 = 4,834.18 : x
  2. Step 2: Convert to fraction form
    10,383.94/15,575.76 = 4,834.18/x
  3. Step 3: Cross multiply
    10,383.94x = 15,575.76 × 4,834.18
  4. Step 4: Simplify right side
    10,383.94x = 75,295,988.54
  5. Step 5: Solve for x
    x = 75,295,988.54/10,383.94
  6. Step 6: Final answer
    x = 7,251.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.